What caused the cattle industry to become commercially lucrative?

a-cattle grazed in the grasslands--growing large and selling for profit.

b-the miners who were moving west needed more meat to eat, so farmers were able to sell their cattle to them for a large profit.

c-the government began to regulate the industry which farmers with quality cattle to more easily sell them in the stockyards.

d-mr. mccoy

e-the men that voted for peoples rights